"Sun, 04 Jan 1970 12:31:15"

Convert date and time to unixtime.

304275

Another datetime format string at UTC

YYYYMMDD
19700104

Only TIME
12:31:15

General datetime
1970-01-04 12:31:15Z

For Database
1970-01-04 12:31:15

For HTTP1.1
Sun, 04 Jan 1970 12:31:15 GMT

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